5.5

CVE-2021-36408: debian debian_linux Use After Free

CVSS: 5.5v3.1MediumModified
AliasesALPINE-CVE-2021-36408UBUNTU-CVE-2021-36408DEBIAN-CVE-2021-36408
Published 10-01-2022Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2021-36408 is a medium (CVSS 5.5) Use After Free vulnerability in debian debian_linux. EPSS estimates a 0.83% chance of exploitation in the next 30 days, higher than 56.9% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
32/100
0100
Medium · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.83%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github

Advisory lineage

Upstream 0 · Downstream 5 · Related 2
DLA-3240-1DSA-5346-1MGASA-2023-0093USN-6617-1USN-6627-1

Timeline

  1. 10-01-2022
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

An issue was discovered in libde265 v1.0.8.There is a Heap-use-after-free in intrapred.h when decoding file using dec265.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

0.83%

Chance of exploitation in the next 30 days

Percentile

57%

Versus all other CVEs

30-day change

0.00 pp

From 0.83% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.83%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • githubUnverified

    Libde265

    Maturity: poc

Weaknesses

CWE · root cause

Affected systems

Debian2 products
Alpine1 product
  • libde265< 1.0.8-r2
Struktur1 product
Ubuntu1 product
  • libde265< 1.0.4-1ubuntu0.1 | < 1.0.8-1ubuntu0.1

4 vendors · 5 products

References

9 links